DIN EN ISO 17232:2017-05

This document specifies two methods for determining the heat resistance of patent leather. Method A makes use of a modified lastometer, while Method B uses the "Zwik" apparatus. Both methods are applicable to patent leathers for all end uses. This document (EN ISO 17232:2017) has been prepared by Technical Committee "International Union of Leather Technologists and Chemists Societies (IULTCS)" in collaboration with Technical Committee CEN/TC 289 "Leather", the secretariat of which is held by UNI (Italy). The responsible German standardization committee is Working Committee NA 062-05-51 AA "Anforderungen und physikalische Prüfverfahren für Leder und seine Ausgangsprodukte" ("Requirements and physical test methods of leather and …") of DIN Standards Committee Materials Testing (NMP).